It's all about a record-tying achievement on the Billboard Hot 100, where Meghan Trainor's "All About That Bass" leads an all-female top five for a fourth straight week. The streak equals the longest stretch that women have locked men out of the top five in the chart's 56-year history.

Girls' Generation's 'Holler: The 2nd Mini Album' EP hit No. 1 on Billboard's World Albums chart making them the third Korean act -- and the first female K-pop act -- to earn multiple chart-toppers on World Albums.

Chris Brown's X scores the singer his fifth No. 1 on Top R&B/Hip-Hop Albums, entering with 145,000 copies, according to Nielsen SoundScan. The sales sum is his best debut sales week since F.A.M.E arrived at No. 1 with 270,000 units in 2011.

Welcome back to Billboard's weekly video show "Real-Time Rewind," which recaps the past week's hottest action on the new Billboard Real-Time Twitter Charts --Trending 140 and Emerging Artists -- and the news that's driving the action. Hosted by Billboard's Joe Levy, you can watch episode 17, which features a special guest appearance from Jennifer Hudson herself.